#include <stdlib.h>
#include <stdio.h>

int main()
{
 int i , j , k;
 int a[100];
 int b[10];
 int c[50];
 int d[10];

 i = rand();
 j = rand();
 k = rand();

 do {
   if (k) {
     a[i] = 0;
     b[j] = 0;
   }
   else {
     c[i] = 0;
     d[j]=0;
   }
 } while (rand());

return 0;
 }